D defs.my
Entry 1 sense Webster, 1913

Unerring

· Un·err·ing · IPA /ʌnˈɜːɹ.ɪŋ/
01 a. Committing no mistake; incapable or error or failure certain; sure; unfailing; as, the unerring wisdom of God.
  1. 1.
    Committing no mistake; incapable or error or failure certain; sure; unfailing; as, the unerring wisdom of God.
    “Hissing in air the unerring weapon flew.” Dryden.